n. or adj.

childish behavior of an older person, aka someone acting like a five year old cunt when they are actually not
She was being a huge sandbox when she dropped her ice cream and threw a fit.
by anamses February 22, 2008
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Someone who is like family to you. Been with you since childhood. Ain’t never left your side.
by 10^3 January 26, 2020
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A free-roaming game where you can do what ever you want in it.
Eg. GTA, Spiderman, Driv3r etc. are sandbox games
by John Weirdoloko October 19, 2007
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A bond so strong between friends that it goes all the way back to your childhood, hence sandbox. Can be between any group of friends, and genders.
Jeff - Me and Dave have been bros since first grade

Dave - That's right. Sandbox Love right there.
by Dom the bomb! April 07, 2010
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A proposal of marriage made by two young children for fun (ex. when playing house), or for real. Neither is expected to uphold their end of the bargain, and it is often forgotten as the children age
We were so young I did not expect him to remember our sandbox proposal, but here he is eighteen years later with a ring.
by SkyAlexander March 31, 2016
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A method of male masturbation in which a man places a piece of 200 grit sandpaper in a microwave (or a small oven) for 45 seconds, and then proceeds to hold the sandpaper in his hand rough side outward, and furiously pleasure himself.
Bob: Hey Bayliff, what are you doing tonight?
Bayliff: Well, I'm fucking my girlfriend Pinky, then winding down with a Western Sandbox.
by Oneinthechamber June 19, 2012
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A Garry's Mod (gmod like some say) server released in the summer of 2020. The server is in London (United-Kindom) and the player base is little kids and Russians. Or both.

As the name of the server says, it is vanilla with a few exceptions.

The server also has a discord server where you can get yourself a shooter role, a builder role, VIP (by donating 5€ via PayPal) or trusted. After you get trusted or VIP you can apply for moderator.

The server has a pretty good moderating team of (as of 31st of March) 11 moderators including 1 headmod Gustav.

In the gmod server, you can make bases, raid bases, shoot people and make friends.

in the discord server you can: shitpost in #nsfw, argue in #general, report Russian hackers in #reports, in #suggestions you can suggest cs 1.6 weapons to be removed (you can also suggest things and get them denied), in #questions you can.... umm.. ask?, in #screenshots, you can send screenshots of your moments in the sandbox vanilla gmod server and maybe get a chance of getting your picture in the loading screen of the server, in #(VIP channel) you can REDACTED. There are also a few voice channels where you can listen to music (not talk because of REDACTED.

The owner of the server is Zombie Extinguisher.
player1: Yo, wanna go on sandbox vanilla?
player2: Yeah!

(in server)
russian kid in vc: BLYAAAAAAAAAAAAAAAAAAAAATTTT!!!!!!!!!
by wetpa March 31, 2021
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